Four Way Push Button Light Switch Black Button (HD4-B)

Use the HD4-B with two three way switches for three or more stations operation.
Use the HD4-B in between two three way switches.
The HD4-B is the same switch as the
HD4 except both pearl inlays have been replaced with black inserts
to give you the option of an all black switch.
Each Push Button Switch has been designed to work with
existing and new wiring. Push Button Switches
were used in a majority of American homes
in the first half of the century and have
been duplicated. 120 Volts - 15 Amps - 60 Hz.